Home / 20,394,047.60-30,626,500.80-10,828,109.60

Finding the Fourth Proportional to 20,394,047.60, 30,626,500.80 and 10,828,109.60

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Solution

The fourth proportional to 20,394,047.60, 30,626,500.80 and 10,828,109.60 is: 16,260,975.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,394,047.60 : 30,626,500.80 = 10,828,109.60 : x
  2. Step 2: Convert to fraction form
    20,394,047.60/30,626,500.80 = 10,828,109.60/x
  3. Step 3: Cross multiply
    20,394,047.60x = 30,626,500.80 × 10,828,109.60
  4. Step 4: Simplify right side
    20,394,047.60x = 331,627,107,326,887.69
  5. Step 5: Solve for x
    x = 331,627,107,326,887.69/20,394,047.60
  6. Step 6: Final answer
    x = 16,260,975.45

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.